Baugh



(No Model.) I V 3Shets-Sheet 1.

F. S. DELLENBAUGH.

LAMP.

No. 450,508. Patented Apr. 14,1891.

A TTORNEYS (No Model.) 3 Sheets-Sheet 2.

F. S. DELLENBAUGH.

LAMP. No. 450,508. Patented Apr. 14,1891.

HlllllllllllllllllllIllll v A TTORNEYS (No Model.) ,3 Sheets-Sheet 3.

F. S. DELLENBAUGH.

LAMP.

No. 450,508. Patented Apr. 14,1891.

/N VE N TOH & Qmw/M B) A 77'OHNEYS WITNESS 8 UNITED STATES PATENT UFFICE.

FREDERICK S. DELLENBAUGH, OF MOUNT VERNON, NElV YORK.

LAMP.

SPECIFICATION forming part of Letters Patent No. 450,508, dated April 14, 1891.

Application filed May 31, 1890. Serial No. 353,708. (No model.)

To all whom, it may concern:

Be it known that I, FREDERICK S. DELLEN- BAUGH, of the village of Mount Vernon, in the county of Vestchesterand State of New York, have invented certain new and useful improvements in Lamps; and I do hereby declare that the following is a full, clear, and exact description thereof, reference being had to the accompanying drawings, forming part of this specification.

This invention relates to improvements in lamps for illuminating or heating dwellings,

factories, railway-cars, &c.; and it consists .in'

apparatus so arranged as to consume paraffine or other solid or semi-solid combustible substance, instead of the various liquids heretofore used to obtain brilliant light, or cook, where gas, electricity, &c., are not available, not desirable, or not practicable. Petroleum is objectionable because of its highly inflammable nature and liability to explosion, lardoil because of the difficulty of supplying the oil continuously to the wick at the proper point, and ordinary candles because of the feeble light yielded and the waste occurring from melting and running.

The object of my invention is to remove these difiicultics and provide a lamp which will be brilliant, safe, portable, and clean. This end I attain by the device referred to for the consumption of a solid substance which can neither explode nor leak away, and which furnishes an absolutely safe lamp for use at sea, on railways, and in the household.

Similar letters of reference indicate corresponding parts in all the figures.

Figure 1 is a sectional elevation of my new lamp arranged to burn a single solid stick of pal-affine or similar substance. Fig. 2 is a similar View showing a lamp arranged to burn a hollow stick of paraffine. Fig. 3 is a sectional plan View on line as a; of Fig. 2. Fig. 4 is a sectional view of a lamp of the preferred form to burn two solid sticks of paraffine. Fig. 5 is a sectional plan view on line 3 y of Fig. 4. Fig. 6 is a side elevation of the burnertube removed. Fig. 7 is a detailed view of the means for elevating the paraffinesticks, and Fig. 8 shows the application of my invention to a small stove. v

A represents the body of the lamp, which may be of any desired size or shape. It is here shown as a table-lamp, but may be constructed to be suspended, or as a bracketlamp,or to be held in railway-cars, horse-cars, steamboats, the. In the body A is held the tube B, in which is fitted the burner-tube O, which holds the stick D of paraffiue and the wick E, The wick is by preference held in a separate wick-tube C;but this may be dispensed with,except at the top of the burner,

where it is to be raised and lowered by the wick-raiser 0 In Fig. 1 the wick-raiser may be placed at any desired position along the wick-tube G, and a continuous wick may be used. In the tube 0, near its upper end, is formed or secured the stop 0, and the slots 0' are made opposite thereto in the tube 0, through which molten paraffine passes to the wick, and in said tube 0 is fitted the lifter E, which constantly forces the stick of paraffine up against thestop c. The lifter in this instance comprises the head e and rack c, and it is lifted by a gear-Wheel F on the shaft F operated by a coiled spring F (See Fig. 7.) The said shaft is made square at one end to receive a key for winding up the spring, and is provided with a ratchet f, with which the pawl f engages to retain the spring and cause it to exert its tension upon the gear-Wheel. \Vhen the wick is lighted, the paraffine is melted by the heat and flows through the aperture 0 to the wick, and as rapidly as the stick of paraffine is melted away it is lifted by the action of the lifter, so that the supply of paraffine to the flame is constant.

The rack 6 may be marked on the side opposite'the gear-wheel with figures, so arranged as to be visible through a proper opening, to indicate the amount of the paraffine stick remaining for consumption.

The burner'tube is locked in place in the body of the lamp by the spring-stops Gr, which work through small apertures in the tube B and engage the lugs g on the burner-tube, and when new parafiine sticks are to be put in place the burner-tube is simply to be taken out and the sticks inserted at the bottom and the tube returned to place. When so replaced, the lifter will be forced down, which will Wind up the spring F; but in case it should not in this manner receive the requisite amount of contraction it may be wound up by a key applied to the shaft on which the spring and gear-wheel are mounted.

In Figs. at and 5 the lamp is constructed to receive two sticks of paraffine D, the tubes for the same, and the litters, and means for operating their stop-plates, and the apertures 0' being duplicated.

In Figs. 2 and 3 the burner-tube is cylindrical to receive a hollow cylindrical paraffine stick and provided with a cylindrical wick held between the paraffine tube and the outer tube H, as shown clearly in Fig. 3. \Vith this form of burner and paraftine stick air passes up through the centerof the stick to the flame, so that an Argand effect is produced which increases the brilliancy'of the light.

In Fig.8 the body S of the stove may be of any desired design formed to receive several burner-tubes. Each tube is of substantially the same construction as that shown in the other figures of the drawings, the body of the stove being formed with partitions E to form chambers for the bu rner-tubes. Each burn ertube may be constructed to receive a single stick of paraffine, as in Fig. 1, or to receive two, as in Figs. 4 and 5, and the means for lighting the sticks may be the same as in the lamps; but I do not confine myself to the spe cific form of lamp or stove described, as it is evident that the object which I have in view may be effected by various modifications without departing from the spirit of the invention.

Having thus described my invention, I claim as new and desire to secure by Letters Patent 1. A lamp comprising the body having a vertical tube therein, a burner-tube extending down into the first-named tube, removable therefrom, and provided with a chamber for the combustible substance and a wick-tube, a follower in the lower open end of said chamber, having a dependent rack, a gear-wheel meshing into the said rack to raise it, a winding-shaft on which the gear is mounted, a coil-spring connected to the gear and shaft, a ratchet-wheel on the shaft, and a pawl engaging said ratchet to retain the spring wound to any desired degree, whereby the follower may be forced up with greater or less force, substantially as set forth.

2. A lamp consisting in the body A, having a central tube B of the burner-tube 0 closed at its upper end, a central wick-tube G, extending down through the top of tube 0 and having opening 0 in its upper end below the upper end of the tube 0, a chamber in the bu rner-t-ube extending down alongside of the wick-tube and provided near its upper end adjacent to the opening 0 with a transverse stop c, above which is formed the reservoir for the melted material, a follower e in the lower open end of the said chamber, provided with a rack e, the winding-shaft F, having a gear F engaging the rack, a spring F for operating the gear to raise the follower,

a ratchetf on the shaft, and a pawlf, engaging said ratchet, substantially as set forth. FREDERICK S. DELLENBAUGH. Witnesses:

ARTHUR HoEBEN, ilosEPH L. MATHEWS. 

